Brevin's_Sciene
Home
Cells
Tissue
Organs
Systems
Cells
Cells are the building blocks of all life.
Did you know that cells have their own personal guards, they are called white blood cells and they patrol for bad bacteria and viruses.
Cells contain 46 chromosomes, however some human cells have 47 chromosomes.
We have more than 100 trillion cells in us. The normal cell is 10 micrometers in size.